[vtk-developers] OSMesa regression

[Bill Lorensen]

I added
//The OpenGL library being used supports off screen Mesa calls
VTK_OPENGL_HAS_OSMESA:BOOL=ON

to my cache and all is well.

Are these changes documented somewhere on the Wiki?

Bill

On Sun, Aug 7, 2016 at 11:37 AM, Bill Lorensen <bill.lorensen at gmail.com> wrote:
> The commit at the end of thie email causes my Offscreen build to fail
> with errors like these:
> [100%] Linking C shared library ../../../lib/libvtkgl2ps-7.1.so
> CMakeFiles/vtkgl2ps.dir/gl2ps.c.o: In function `gl2psAddText':
> /home/lorensen/ProjectsGIT/VTKGitlab/ThirdParty/gl2ps/vtkgl2ps/gl2ps.c:885:
> undefined reference to `glGetBooleanv'
> /home/lorensen/ProjectsGIT/VTKGitlab/ThirdParty/gl2ps/vtkgl2ps/gl2ps.c:887:
> undefined reference to `glGetFloatv'
> /home/lorensen/ProjectsGIT/VTKGitlab/ThirdParty/gl2ps/vtkgl2ps/gl2ps.c:916:
> undefined reference to `glGetFloatv'
> /home/lorensen/ProjectsGIT/VTKGitlab/ThirdParty/gl2ps/vtkgl2ps/gl2ps.c:936:
> undefined reference to `glPassThrough'
> ...
>
> commit 561c9b6403f4562d91e4fe36e55713747fa22d39
> Author: Utkarsh Ayachit <utkarsh.ayachit at kitware.com>
> Date:   Wed Jul 6 15:26:57 2016 -0400
>
>     Add support for on and off screen Mesa in same build.
>
>     On and Off scrreen Mesa can now be enabled in the same version of VTK.
>     Tested with Mesa 12.0.0-rc2, but has been reported to work with 11.2 as
>     well.



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